Two waves of the same frequency have amplitudes 1.38 and 2.85. They interfere at a point where their phase difference is 54.0°. W is the resultant amplitude?
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A: Given: y1=4.75 sinπ3.75x-1230ty2=4.75 sinπ3.75x-1230t-0.250 a. y=y1+y2sin A+sin B=2…
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Q: Two progressive waves 2л Vı(x, t) = A sin(4x – ot) and y2(x, t) = A sin( 4x – ot – X – wt - - 2…
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Q: Two progressive waves yj = A sin(x - ot) and y2 = A sin(x – wt – 5 ) travel in the same direction.…
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Q: Two progressive waves y¡ = A sin(4x – ot) and y2 = A sin( 4 x – ot – 5) travel in the same…
A: on interference the resultant wave is gven by,y=y1+y2y=A sin(2πλx-ωt) + A sin(2πλx-ωt-π2)so,y= 2 A…
Q: Consider a composite wave formed by two plane waves with slightly different frequencies of 0 = 2.7 x…
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A: We have to know about a basic formula.
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- A sound wave enters the thin tube at P and exits at Q. Assume r = 0.50m and the wavelength is 1.12m. What is the smallest length d that results in constructive interference at Q?An interface is formed between a block of aluminium (with an acoustic impedance of 1.8 x 107 kg m2 s') and a block of copper (with an acoustic impedance of 4.6 x 107 kg m-2 s-1). Longitudinal sound waves travelling through the aluminium are normally incident on the boundary, and are partially reflected. a) What is the ratio of the amplitude of the reflected wave to that of the incident wave? Number b) What is the ratio of the amplitude of the transmitted wave to that of the incident wave? Number c) What percentage of the incident power is transmitted? Number d) What percentage of the incident power is reflected? Number % Ouit P Sove QuestiSound waves can be modeled as a spherical plane wave. For radial distances of 0.75 m, 2.5 m, and 5.5m, for a horn of 200 W, determine the inensities at each of these locations.
- Satellite TV is broadcast from satellites that orbit 37,000 km above the earth’s surface. Their antennasbroadcast a 15 kW microwave signal that covers most of North America, an area of about 2.5 × 107km2(a) What is the total power that strikes a 46-cm-diameter ground-based dish antenna? [3](b) The dish antenna focuses the incoming wave to a 1.0 cm2 area. What is the amplitude of theelectric field at this focus? [2]A progressive wave travelling in the x-direction is represented by the following equation: у %3D A sin(Bt — Сх). Given that parameters A, B and C are given in SI units calculate the velocity of the wave for A = 50, B = 2835 and C = 25.Use the wave equation to find the speed of a wave given byy(x, t) = (3.00 mm) sin[(4.00 m-1)x - (7.00 s-1)t].